Home / 7,769.12-10,730.12-5,246.85

Finding the Fourth Proportional to 7,769.12, 10,730.12 and 5,246.85

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Solution

The fourth proportional to 7,769.12, 10,730.12 and 5,246.85 is: 7,246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.12 : 10,730.12 = 5,246.85 : x
  2. Step 2: Convert to fraction form
    7,769.12/10,730.12 = 5,246.85/x
  3. Step 3: Cross multiply
    7,769.12x = 10,730.12 × 5,246.85
  4. Step 4: Simplify right side
    7,769.12x = 56,299,330.12
  5. Step 5: Solve for x
    x = 56,299,330.12/7,769.12
  6. Step 6: Final answer
    x = 7,246.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.